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eimsori [14]
3 years ago
10

Larry wants to buy some carpeting for his living room. The leangth of the room is 3 times the width and the total area of the ro

om is 12 square meters. what is the leangth of the living room ?
Mathematics
1 answer:
ioda3 years ago
5 0
Equation for length:
l = 3w

l × w = 12

Substitute 3w into L.
(3w) × w = 12
4w = 12
w = 3

Substitute 3 into w to find the length.
l = 3w
l = 3×3
l = 9

The width is 3 and the length is 9.
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